Home / 39,285.49-54,219.56-22,293.92

Finding the Fourth Proportional to 39,285.49, 54,219.56 and 22,293.92

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Solution

The fourth proportional to 39,285.49, 54,219.56 and 22,293.92 is: 30,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,285.49 : 54,219.56 = 22,293.92 : x
  2. Step 2: Convert to fraction form
    39,285.49/54,219.56 = 22,293.92/x
  3. Step 3: Cross multiply
    39,285.49x = 54,219.56 × 22,293.92
  4. Step 4: Simplify right side
    39,285.49x = 1,208,766,533.08
  5. Step 5: Solve for x
    x = 1,208,766,533.08/39,285.49
  6. Step 6: Final answer
    x = 30,768.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.